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Round|Natural|GIA

1.15ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 3425206777

Certificate GIA 3425206777

Diamond specifications and retailer prices

From £1,081 GBP
₹137,884 INR
As of November 1, 2026
Save £2,383 GBP (69%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £3,464 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.15ct natural round diamond

This 1.15ct natural round sits in the classic one-carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 3425206777. Listed at 10 retailers as of October 30, 2026, with prices from £1,081 to £3,464, a £2,383 spread on the same certified stone. NZ Jewellers lists it at £3,464. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.15
Carat
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 3425206777
Dimensions6.71 × 6.67 × 4.19 mm
L/W Ratio1.01
Top View
6.71 mm6.67 mm1.15 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3425206777
Side View
Table 57.0%Crown 36.5°Girdle: THN-MEDPavilion 41°Culet: NoneDepth 62.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £3,464 GBP|Low: £1,078 GBP|High: £3,641 GBP|Avg: £1,707 GBP|-4.9%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 3£1,081 GBP
Retailer 9£1,134 GBP
Retailer 7£1,294 GBP
Retailer 4£1,329 GBP
Retailer 10£1,371 GBP
Retailer 8£1,523 GBP
Retailer 5£1,548 GBP
Retailer 2£1,829 GBP
Retailer 6£2,501 GBP
NZ Jewellers£3,464 GBP

28 data points across 10 retailers

10 retailers£1,081 GBP to £3,464 GBP

A
Cheapest Retailer
-
£1,081 GBP
₹137,884 INR
A
Retailer 2
-
£1,134 GBP
$1,520 USD
View
Final sale: no returns
A
Retailer 3
-
£1,294 GBP
$1,734 USD
View
A
Retailer 4
-
£1,329 GBP
View
A
Retailer 5
-
£1,371 GBP
$1,837 USD
View
A
Retailer 6
-
£1,523 GBP
$2,040 USD
View
A
Retailer 7
-
£1,548 GBP
View
A
Retailer 8
-
£1,829 GBP
€2,334 EUR
View
B+
Retailer 9
-
£2,501 GBP
View
Most Expensive
B
NZ Jewellers
89a02ae7-3cbd-4790-b6d1-0cf914c9e052 · Oct 30
£3,464 GBP
$4,641 USD
View
9 more retailers have this diamond
Prices start from £1,081 GBPSave up to £2,383 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.15ct Round
£1,081 GBP